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Topic · Hematology

Hemostasis and retained surgical items

Hemostasis and retained surgical items is a research topic within Hematology. Science Explorer counts 12k research works in it since 1950. 10.1% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the advances in hemostatic agents and techniques, including the development and evaluation of various topical hemostatic dressings, fibrin sealants, chitosan-based hemostatic dressings, and other materials for controlling bleeding in surgical and trauma settings. The research also covers the use of these agents in combat operations, wound healing, and their role as components of the surgical toolbox.

  • Hemostatic Agents
  • Surgical Hemostasis
  • Topical Hemostatic Dressings
  • Bleeding Control
  • Hemostatic Sponge
  • Fibrin Sealants
  • Chitosan-Based Hemostatic Dressing
  • Combat Operations
  • Wound Healing
  • Surgical Toolbox
Research works
12k
fractional, since 1950
In the world top 10%
1.2k
per year above
Top-10% rate
10.1%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+25%
the tick is no change
Largest producer
China
33% of the 10 largest, 2022-now
Hemostasis and retained surgical items

This ranks research output and citation impact. It says nothing about the quality of diagnosis, treatment or care.

Which countries lead Hemostasis and retained surgical items research?

By volume, China and the United States publish the most (562 and 415 works in 2022-now).

By volume, 2022-now

  1. 1 China 562 works
  2. 2 United States 415 works
  3. 3 India 192 works
  4. 4 Japan 140 works
  5. 5 United Kingdom 75 works
  6. 6 Türkiye 70 works
  7. 7 Russia 69 works
  8. 8 Germany 69 works
  9. 9 Brazil 69 works
  10. 10 South Korea 64 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

China: 32.6%United States: 24.1%India: 11.1%Japan: 8.1%6 others listed: 24.1%33%largest
China562 · 32.6%United States415 · 24.1%India192 · 11.1%Japan140 · 8.1%6 others listed416 · 24.1%

Shares of the rows listed above, not of the whole node.

Which institutions lead Hemostasis and retained surgical items research?

By volume in 2022-now, Sichuan University publishes the most Hemostasis and retained surgical items research, followed by Chinese Academy of Sciences and Zhejiang University.

By volume, 2022-now

  1. 1 Sichuan UniversityChina 25 works
  2. 2 Chinese Academy of SciencesChina 16 works
  3. 3 Zhejiang UniversityChina 15 works
  4. 4 All India Institute of Medical SciencesIndia 15 works
  5. 5 Qingdao UniversityChina 11 works
  6. 6 Russian Academy of SciencesRussia 10 works
  7. 7 Harvard UniversityUnited States 10 works
  8. 8 Saveetha UniversityIndia 10 works
  9. 9 Sun Yat-sen UniversityChina 9 works
  10. 10 Shanghai Jiao Tong UniversityChina 9 works

Who are the leading researchers in Hemostasis and retained surgical items?

The most-cited researchers publishing on Hemostasis and retained surgical items include Róbert Langer, Wei Huang and Jean‐Louis Vincent.

  1. 1 Róbert Langer United States 303k citations
  2. 2 Wei Huang China 267k citations
  3. 3 Jean‐Louis Vincent Belgium 262k citations
  4. 4 Seeram Ramakrishna Singapore 186k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Hemostasis and retained surgical items?

The most cited paper in Hemostasis and retained surgical items is "Definition of major bleeding in clinical investigations of antihemostatic medicinal products in surgical patients" (Sam Schulman, Ulf Angerås, David Bergqvist et al., 2009), with 3,778 citations. Next come "Platelet-rich fibrin (PRF): A second-generation platelet concentrate. Part I: Technological concepts and evolution" (1,875) and "Acute Traumatic Coagulopathy" (1,737).

Most cited papers
#PaperReleasedCitations
1 Definition of major bleeding in clinical investigations of antihemostatic medicinal products in surgical patients Sam Schulman, Ulf Angerås, David Bergqvist et al. · Journal of Thrombosis and Haemostasis Open access 30 Oct 2009 3,778
2 Platelet-rich fibrin (PRF): A second-generation platelet concentrate. Part I: Technological concepts and evolution D. Dohan, Joseph Choukroun, Antoine Diss et al. · Oral Surgery Oral Medicine Oral Pathology Oral Radiology and Endodontology 20 Jan 2006 1,875
3 Acute Traumatic Coagulopathy Karim Brohi, Jasmin Singh, Mischa Heron et al. · The Journal of Trauma: Injury, Infection, and Critical Care Jun 2003 1,737
4 ‘DAMAGE CONTROL' Michael F. Rotondo, C. William Schwab, Michael D. McGonigal et al. · The Journal of Trauma: Injury, Infection, and Critical Care Sep 1993 1,659
5 Autologous platelets as a source of proteins for healing and tissue regeneration Eduardo Anitua, Isabel Andı́a, Bruno Ardanza et al. · Thrombosis and Haemostasis 6 Nov 2003 1,499
All 100 most cited papers, with filters and sorting

Where is Hemostasis and retained surgical items research done?

The largest centres of Hemostasis and retained surgical items research in 2022-now are Beijing (China), Shanghai (China), Tokyo (Japan) and Guangzhou (China). Among places with at least 20 works in it, it is an unusually large share of all research in Qingdao and Tehran.

Largest cities, 2022-now

  1. 1 BeijingChina 67 works
  2. 2 ShanghaiChina 43 works
  3. 3 TokyoJapan 34 works
  4. 4 GuangzhouChina 34 works
  5. 5 ChengduChina 32 works
  6. 6 HangzhouChina 29 works
  7. 7 SeoulSouth Korea 29 works
  8. 8 MoscowRussia 27 works
  9. 9 TehranIran 26 works
  10. 10 NanjingChina 25 works

Where it is the local speciality

  1. QingdaoCN · 22.6 works2.7×
  2. TehranIR · 26.0 works2.1×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Hemostasis and retained surgical items than the world average.

See Hemostasis and retained surgical items on the map

Where is the best place to study Hemostasis and retained surgical items?

Among universities, judged by research, Sichuan University, Qingdao University and Zhejiang University score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%20%40%mean 19.8%fractional works in this field (log) →share of work in the world top 10% →Qingdao UniversitySichuan UniversitySun Yat-sen UniversityZhejiang University
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1Sichuan UniversityChina 84.633.0%5.1×25 +210.5%
2Qingdao UniversityChina 69.736.9%7.8×12 +368.2%
3Zhejiang UniversityChina 62.227.9%2.7×16 +116.1%
4Sun Yat-sen UniversityChina 43.028.5%2.1×10 +54.1%
5Southern Medical UniversityChina 40.121.7%6.4×8 +102.1%
6All India Institute of Medical SciencesIndia 34.60.9%6.1×15 +51.9%
7Harvard UniversityUnited States 34.318.2%1.4×10 -27.8%
8Shanghai Jiao Tong UniversityChina 31.519.3%1.5×9 +3.5%
9University of TorontoCanada 27.710.4%1.9×8 -9.7%
10Saveetha UniversityIndia 25.11.2%4.6×10 +305.3%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Hemostasis and retained surgical items, country by country

Is Hemostasis and retained surgical items research growing?

Output in 2022-2025 was 25% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Hemostasis and retained surgical items.

still counting19801990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Hemostasis and retained surgical items as a percentage of every work published that year, 0.0097% in 2024.

still counting0.010%0.020%Hemostasis and retained surgical items0.011% in 202519801990200020102020

Fractional works of Hemostasis and retained surgical items over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting5%10%15%Hemostasis and retained surgical items10.1% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

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